nlm_prot.x revision 1.6
1 /* 2 * Network lock manager protocol definition 3 * Copyright (C) 1986 Sun Microsystems, Inc. 4 * 5 * protocol used between local lock manager and remote lock manager 6 */ 7 8 #ifdef RPC_HDR 9 %#define LM_MAXSTRLEN 1024 10 %#define MAXNAMELEN LM_MAXSTRLEN+1 11 #else 12 %#include <sys/cdefs.h> 13 %#ifndef lint 14 %/*static char sccsid[] = "from: @(#)nlm_prot.x 1.8 87/09/21 Copyr 1987 Sun Micro";*/ 15 %/*static char sccsid[] = "from: * @(#)nlm_prot.x 2.1 88/08/01 4.0 RPCSRC";*/ 16 %__RCSID("$NetBSD: nlm_prot.x,v 1.6 2000/06/07 14:30:15 bouyer Exp $"); 17 %#endif /* not lint */ 18 #endif 19 20 /* 21 * status of a call to the lock manager 22 */ 23 enum nlm_stats { 24 nlm_granted = 0, 25 nlm_denied = 1, 26 nlm_denied_nolocks = 2, 27 nlm_blocked = 3, 28 nlm_denied_grace_period = 4 29 }; 30 31 struct nlm_holder { 32 bool exclusive; 33 int svid; 34 netobj oh; 35 unsigned l_offset; 36 unsigned l_len; 37 }; 38 39 union nlm_testrply switch (nlm_stats stat) { 40 case nlm_denied: 41 struct nlm_holder holder; 42 default: 43 void; 44 }; 45 46 struct nlm_stat { 47 nlm_stats stat; 48 }; 49 50 struct nlm_res { 51 netobj cookie; 52 nlm_stat stat; 53 }; 54 55 struct nlm_testres { 56 netobj cookie; 57 nlm_testrply stat; 58 }; 59 60 struct nlm_lock { 61 string caller_name<LM_MAXSTRLEN>; 62 netobj fh; /* identify a file */ 63 netobj oh; /* identify owner of a lock */ 64 int svid; /* generated from pid for svid */ 65 unsigned l_offset; 66 unsigned l_len; 67 }; 68 69 struct nlm_lockargs { 70 netobj cookie; 71 bool block; 72 bool exclusive; 73 struct nlm_lock alock; 74 bool reclaim; /* used for recovering locks */ 75 int state; /* specify local status monitor state */ 76 }; 77 78 struct nlm_cancargs { 79 netobj cookie; 80 bool block; 81 bool exclusive; 82 struct nlm_lock alock; 83 }; 84 85 struct nlm_testargs { 86 netobj cookie; 87 bool exclusive; 88 struct nlm_lock alock; 89 }; 90 91 struct nlm_unlockargs { 92 netobj cookie; 93 struct nlm_lock alock; 94 }; 95 96 97 #ifdef RPC_HDR 98 %/* 99 % * The following enums are actually bit encoded for efficient 100 % * boolean algebra.... DON'T change them..... 101 % */ 102 #endif 103 enum fsh_mode { 104 fsm_DN = 0, /* deny none */ 105 fsm_DR = 1, /* deny read */ 106 fsm_DW = 2, /* deny write */ 107 fsm_DRW = 3 /* deny read/write */ 108 }; 109 110 enum fsh_access { 111 fsa_NONE = 0, /* for completeness */ 112 fsa_R = 1, /* read only */ 113 fsa_W = 2, /* write only */ 114 fsa_RW = 3 /* read/write */ 115 }; 116 117 struct nlm_share { 118 string caller_name<LM_MAXSTRLEN>; 119 netobj fh; 120 netobj oh; 121 fsh_mode mode; 122 fsh_access access; 123 }; 124 125 struct nlm_shareargs { 126 netobj cookie; 127 nlm_share share; 128 bool reclaim; 129 }; 130 131 struct nlm_shareres { 132 netobj cookie; 133 nlm_stats stat; 134 int sequence; 135 }; 136 137 struct nlm_notify { 138 string name<MAXNAMELEN>; 139 long state; 140 }; 141 142 #ifdef RPC_HDR 143 %/* definitions for NLM version 4 */ 144 #endif 145 enum nlm4_stats { 146 nlm4_granted = 0, 147 nlm4_denied = 1, 148 nlm4_denied_nolock = 2, 149 nlm4_blocked = 3, 150 nlm4_denied_grace_period = 4, 151 nlm4_deadlck = 5, 152 nlm4_rofs = 6, 153 nlm4_stale_fh = 7, 154 nlm4_fbig = 8, 155 nlm4_failed = 9 156 }; 157 158 struct nlm4_stat { 159 nlm4_stats stat; 160 }; 161 162 struct nlm4_holder { 163 bool exclusive; 164 u_int32_t svid; 165 netobj oh; 166 u_int64_t l_offset; 167 u_int64_t l_len; 168 }; 169 170 struct nlm4_lock { 171 string caller_name<MAXNAMELEN>; 172 netobj fh; 173 netobj oh; 174 u_int32_t svid; 175 u_int64_t l_offset; 176 u_int64_t l_len; 177 }; 178 179 struct nlm4_share { 180 string caller_name<MAXNAMELEN>; 181 netobj fh; 182 netobj oh; 183 fsh_mode mode; 184 fsh_access access; 185 }; 186 187 union nlm4_testrply switch (nlm4_stats stat) { 188 case nlm_denied: 189 struct nlm4_holder holder; 190 default: 191 void; 192 }; 193 194 struct nlm4_testres { 195 netobj cookie; 196 nlm4_testrply stat; 197 }; 198 199 struct nlm4_testargs { 200 netobj cookie; 201 bool exclusive; 202 struct nlm4_lock alock; 203 }; 204 205 struct nlm4_res { 206 netobj cookie; 207 nlm4_stat stat; 208 }; 209 210 struct nlm4_lockargs { 211 netobj cookie; 212 bool block; 213 bool exclusive; 214 struct nlm4_lock alock; 215 bool reclaim; /* used for recovering locks */ 216 int state; /* specify local status monitor state */ 217 }; 218 219 struct nlm4_cancargs { 220 netobj cookie; 221 bool block; 222 bool exclusive; 223 struct nlm4_lock alock; 224 }; 225 226 struct nlm4_unlockargs { 227 netobj cookie; 228 struct nlm4_lock alock; 229 }; 230 231 struct nlm4_shareargs { 232 netobj cookie; 233 nlm4_share share; 234 bool reclaim; 235 }; 236 237 struct nlm4_shareres { 238 netobj cookie; 239 nlm4_stats stat; 240 int sequence; 241 }; 242 243 /* 244 * argument for the procedure called by rpc.statd when a monitored host 245 * status change. 246 * XXX assumes LM_MAXSTRLEN == SM_MAXSTRLEN 247 */ 248 struct nlm_sm_status { 249 string mon_name<LM_MAXSTRLEN>; /* name of host */ 250 int state; /* new state */ 251 opaque priv[16]; /* private data */ 252 }; 253 254 /* 255 * Over-the-wire protocol used between the network lock managers 256 */ 257 258 program NLM_PROG { 259 version NLM_SM { 260 void NLM_SM_NOTIFY(struct nlm_sm_status) = 1; 261 } = 0; 262 263 version NLM_VERS { 264 265 nlm_testres NLM_TEST(struct nlm_testargs) = 1; 266 267 nlm_res NLM_LOCK(struct nlm_lockargs) = 2; 268 269 nlm_res NLM_CANCEL(struct nlm_cancargs) = 3; 270 nlm_res NLM_UNLOCK(struct nlm_unlockargs) = 4; 271 272 /* 273 * remote lock manager call-back to grant lock 274 */ 275 nlm_res NLM_GRANTED(struct nlm_testargs)= 5; 276 /* 277 * message passing style of requesting lock 278 */ 279 void NLM_TEST_MSG(struct nlm_testargs) = 6; 280 void NLM_LOCK_MSG(struct nlm_lockargs) = 7; 281 void NLM_CANCEL_MSG(struct nlm_cancargs) =8; 282 void NLM_UNLOCK_MSG(struct nlm_unlockargs) = 9; 283 void NLM_GRANTED_MSG(struct nlm_testargs) = 10; 284 void NLM_TEST_RES(nlm_testres) = 11; 285 void NLM_LOCK_RES(nlm_res) = 12; 286 void NLM_CANCEL_RES(nlm_res) = 13; 287 void NLM_UNLOCK_RES(nlm_res) = 14; 288 void NLM_GRANTED_RES(nlm_res) = 15; 289 } = 1; 290 291 version NLM_VERSX { 292 nlm_shareres NLM_SHARE(nlm_shareargs) = 20; 293 nlm_shareres NLM_UNSHARE(nlm_shareargs) = 21; 294 nlm_res NLM_NM_LOCK(nlm_lockargs) = 22; 295 void NLM_FREE_ALL(nlm_notify) = 23; 296 } = 3; 297 298 version NLM_VERS4 { 299 nlm4_testres NLM4_TEST(nlm4_testargs) = 1; 300 nlm4_res NLM4_LOCK(nlm4_lockargs) = 2; 301 nlm4_res NLM4_CANCEL(nlm4_cancargs) = 3; 302 nlm4_res NLM4_UNLOCK(nlm4_unlockargs) = 4; 303 nlm4_res NLM4_GRANTED(nlm4_testargs) = 5; 304 void NLM4_TEST_MSG(nlm4_testargs) = 6; 305 void NLM4_LOCK_MSG(nlm4_lockargs) = 7; 306 void NLM4_CANCEL_MSG(nlm4_cancargs) = 8; 307 void NLM4_UNLOCK_MSG(nlm4_unlockargs) = 9; 308 void NLM4_GRANTED_MSG(nlm4_testargs) = 10; 309 void NLM4_TEST_RES(nlm4_testres) = 11; 310 void NLM4_LOCK_RES(nlm4_res) = 12; 311 void NLM4_CANCEL_RES(nlm4_res) = 13; 312 void NLM4_UNLOCK_RES(nlm4_res) = 14; 313 void NLM4_GRANTED_RES(nlm4_res) = 15; 314 nlm4_shareres NLM4_SHARE(nlm4_shareargs) = 20; 315 nlm4_shareres NLM4_UNSHARE(nlm4_shareargs) = 21; 316 nlm4_res NLM4_NM_LOCK(nlm4_lockargs) = 22; 317 void NLM4_FREE_ALL(nlm_notify) = 23; 318 } = 4; 319 } = 100021; 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Indexes created Sat Sep 27 14:09:57 GMT 2025